-Upgraded Intelligent Motor Controller: * Allow you to swap two power modes between the full 1000W power or 750W power by a single blue switch wire is embedded in controller. (Only for Twist Throttle)* Still remain the full 1000W power with no speed control.(Only for Pedal Assist System,"PAS")

-Note: 1. Battery and charger are not included in package.2. The system requires a 48 Volt electrokinetic cell battery with a nominal capacity not less than 11.6Ah.3. The US regulations dictate that a kit must not exceed the rated power of 750W to be road-legal.

-Caution: For your Safety, Please turn off the battery before connecting the Controller！